import logging
from datetime import date
from typing import Optional, List

from fastapi import APIRouter, Query
from fastapi.params import Depends
from pydantic import BaseModel, Field
from sqlalchemy import text
from sqlalchemy.exc import SQLAlchemyError
from sqlalchemy.orm import Session

from commons.BaseResponse import BaseResponse
from commons.PaginationBase import PaginationBase
from datebase import get_db
from utils.EncryptionUtil import oauth2_scheme, EncryptionMiddleware

rec_head_router = APIRouter(prefix="/purchase/recHead", tags=["采购入库管理"], dependencies=[Depends(oauth2_scheme)])


class RecHeadSearch(PaginationBase):
    fsiteNo: str =Field(None,description="客户编号")
    ftakedateStart: str =Field(None,description="开始时间")
    ftakedateEnd: str =Field(None,description="结束时间")
    fsupno: str =Field(None,description="供应商编号")
    fbillno: str =Field(None,description="单号")
    fplanuser: str =Field(None,description="计划人员")
    fbillstate: str =Field(None,description="单据状态")


@rec_head_router.get("/list")
def list_rec_head(rec: RecHeadSearch = Query(), db: Session = Depends(get_db)):
    param = {}
    sql = "select count(1) from lims.s_tc_rec_head where 1=1"
    if rec.fsiteNo is not None:
        sql = sql + " and fsite_no = :site_no "
        param["site_no"] = rec.fsiteNo
    if rec.fsupno is not None:
        sql = sql + " and fsupno like concat('%', :fsupno ,'%')"
        param["fsupno"] = rec.fsupno
    if rec.fbillno is not None:
        sql = sql + " and fbillno like concat('%', :fbillno ,'%')"
        param["fbillno"] = rec.fbillno
    if rec.fplanuser is not None:
        sql = sql + " and fplanuser = :fplanuser "
        param["fplanuser"] = rec.fplanuser
    if rec.fbillstate is not None:
        sql = sql + " and fbillstate = :fbillstate "
        param["fbillstate"] = rec.fbillstate
    if (rec.ftakedateStart is not None) and (rec.ftakedateEnd is not None):
        sql = sql + " and to_char(forddate,'yyyymmdd') between :ftakedateStart and :ftakedateEnd "
        param["ftakedateStart"] = rec.ftakedateStart
        param["ftakedateEnd"] = rec.ftakedateEnd
    count = db.execute(text(sql), param).scalar()

    param = {}
    sql = "select fbillno,fsite_no,forduser,forddate,fplanrecdate,frecdate,fsupno,fitemcount,fpiececount,"
    sql = sql + " ftotalamt,fsrcbillno,fexplanation,fupddate,foperator,fcheckdate,fcheckuser,fbillstate,fbilltype"
    sql = sql + " from lims.s_tc_rec_head where 1=1"
    if rec.fsiteNo is not None:
        sql = sql + " and fsite_no = :site_no "
        param["site_no"] = rec.fsiteNo
    if rec.fsupno is not None:
        sql = sql + " and fsupno like concat('%', :fsupno ,'%')"
        param["fsupno"] = rec.fsupno
    if rec.fbillno is not None:
        sql = sql + " and fbillno like concat('%', :fbillno ,'%')"
        param["fbillno"] = rec.fbillno
    if rec.fplanuser is not None:
        sql = sql + " and fplanuser = :fplanuser "
        param["fplanuser"] = rec.fplanuser
    if rec.fbillstate is not None:
        sql = sql + " and fbillstate = :fbillstate "
        param["fbillstate"] = rec.fbillstate
    if (rec.ftakedateStart is not None) and (rec.ftakedateEnd is not None):
        sql = sql + " and to_char(forddate,'yyyymmdd') between :ftakedateStart and :ftakedateEnd "
        param["ftakedateStart"] = rec.ftakedateStart
        param["ftakedateEnd"] = rec.ftakedateEnd
    if rec.order == "desc":
        sql = sql + " order by  forddate,fbillno desc "
    else:
        sql = sql + " order by  forddate,fbillno "
    sql = sql + " limit :limit offset :offset "
    param["offset"] = rec.offset
    param["limit"] = rec.limit
    data = db.execute(text(sql), param).fetchall()

    # details 明细列表
    param = {}
    sql_3 = " select b.fbillno,b.fline,b.feuipmentid,b.fbuyprice,b.fqty,b.ftotamt,b.fmemo"
    sql_3 = sql_3 + " from lims.s_tc_rec_head a,lims.s_tc_rec_detail b where a.fbillno=b.fbillno "
    if rec.fsiteNo is not None:
        sql_3 = sql_3 + " and fsite_no = :site_no "
        param["site_no"] = rec.fsiteNo
    if rec.fsupno is not None:
        sql_3 = sql_3 + " and fsupno like concat('%', :fsupno ,'%')"
        param["fsupno"] = rec.fsupno
    if rec.fbillno is not None:
        sql_3 = sql_3 + " and a.fbillno like concat('%', :fbillno ,'%')"
        param["fbillno"] = rec.fbillno
    if rec.fplanuser is not None:
        sql_3 = sql_3 + " and fplanuser = :fplanuser "
        param["fplanuser"] = rec.fplanuser
    if rec.fbillstate is not None:
        sql_3 = sql_3 + " and fbillstate = :fbillstate "
        param["fbillstate"] = rec.fbillstate
    if (rec.ftakedateStart is not None) and (rec.ftakedateEnd is not None):
        sql_3 = sql_3 + " and to_char(forddate,'yyyymmdd') between :ftakedateStart and :ftakedateEnd "
        param["ftakedateStart"] = rec.ftakedateStart
        param["ftakedateEnd"] = rec.ftakedateEnd
    sql_3 = sql_3 + " order by b.fbillno,b.fline"
    data_detail = db.execute(text(sql_3), param).fetchall()

    data_list = []
    for key in range(len(data)):
        d1 = {}
        d1['fbillno'] = data[key][0]
        d1['fsiteno'] = data[key][1]
        d1['forduser'] = data[key][2]
        d1['forddate'] = data[key][3]
        d1['fplanrecdate'] = data[key][4]
        d1['frecdate'] = data[key][5]
        d1['fsupno'] = data[key][6]
        d1['fitemcount'] = data[key][7]
        d1['fpiececount'] = data[key][8]
        d1['ftotalamt'] = data[key][9]
        d1['fsrcbillno'] = data[key][10]
        d1['fexplanation'] = data[key][11]
        d1['fupddate'] = data[key][12]
        d1['foperator'] = data[key][13]
        d1['fcheckdate'] = data[key][14]
        d1['fcheckuser'] = data[key][15]
        d1['fbillstate'] = data[key][16]
        d1['fbilltype'] = data[key][17]
        sbillno = data[key][0]

        detail_list = []
        for j1 in range(len(data_detail)):
            if (str(data_detail[j1][0]) == str(sbillno)):
                d2 = {}
                d2['fbillno'] = data_detail[j1][0]
                d2['fline'] = data_detail[j1][1]
                d2['feuipmentid'] = data_detail[j1][2]
                d2['fbuyprice'] = float(data_detail[j1][3])
                d2['fqty'] = data_detail[j1][4]
                d2['ftotamt'] = data_detail[j1][5]
                d2['fmemo'] = data_detail[j1][6]
                detail_list.append(d2)

        d1["details"] = detail_list
        data_list.append(d1)

    info_dict = {"list": data_list, "limit": rec.limit, "page": rec.pageIndex,
                 "pages": (count + rec.limit - 1) // rec.limit,
                 "total": count}
    return BaseResponse.success(data=info_dict)


class StcRecDetailCreate(BaseModel):
    """设备采购入库明细创建模型"""
    fline: int = Field(..., description="行号")
    feuipmentid: str = Field(..., description="设备ID")
    fbuyprice: float = Field(..., description="采购单价")
    fqty: float = Field(..., description="入库数量")
    ftotamt: float = Field(..., description="总金额")
    fmemo: Optional[str] = Field("", description="备注，默认为空字符串")


class StcRecHeaderCreate(BaseModel):
    """设备采购入库表头创建模型"""
    fbillno: str = Field(..., description="入库单号")
    fsiteNo: str = Field(..., description="站点编号")
    forduser: str = Field(..., description="采购人")
    fplanrecdate: date = Field(..., description="计划入库日期")  # 可根据实际格式改为str
    forddate: date = Field(..., description="申请日期")  # 同上
    fsupno: str = Field(..., description="供应商编号")
    fexplanation: Optional[str] = Field("", description="入库说明，默认为空字符串")
    details: List[StcRecDetailCreate] = Field(..., description="入库明细列表")
    fbillstate: int = Field(1, description="单据状态，默认值为1")  # 代码中默认传1
    frecdate: date = Field(..., description="实际入库日期")  # 可根据实际格式改为str
    fupddate: date = Field(..., description="更新日期")  # 可根据实际格式改为str


@rec_head_router.post("/create", summary="新增设备采购入库信息")
def create_rec_head(rec: StcRecHeaderCreate, db: Session = Depends(get_db)):
    try:
        fitemcount = 0
        fpiececount = 0
        ftotalamt = 0
        fbillno = rec.fbillno
        # 返回内容
        d1 = {}
        detail_list = []
        with db.begin():
            jsondata = rec.details
            for data in jsondata:
                sql = "insert into lims.s_tc_rec_detail(fbillno,fline,feuipmentid,fbuyprice,fqty,ftotamt,fmemo)"
                sql = sql + " values( :fbillno , :fline , :feuipmentid , :fbuyprice , :fqty , :ftotamt , :fmemo )"
                db.execute(text(sql), {
                    "fbillno": fbillno,
                    "fline": data.fline,
                    "feuipmentid": data.feuipmentid,
                    "fbuyprice": data.fbuyprice,
                    "fqty": data.ftotamt,
                    "ftotamt": data.ftotamt,
                    "fmemo": data.fmemo
                })
                fitemcount = fitemcount + 1
                fpiececount = fpiececount + data.fqty
                ftotalamt = ftotalamt + data.ftotamt

                # 返回明细
                d2 = {}
                d2['fbillno'] = fbillno
                d2['fline'] = data.fline
                d2['feuipmentid'] = data.feuipmentid
                d2['fbuyprice'] = float(data.fbuyprice)
                d2['fqty'] = float(data.fqty)
                d2['ftotamt'] = float(data.ftotamt)
                d2['fmemo'] = data.fmemo
                detail_list.append(d2)
            sql = "insert into lims.s_tc_rec_head(fbillno,fsite_no,forduser,fplanrecdate,forddate,fsupno,fitemcount,fpiececount,ftotalamt,fexplanation,fupddate,foperator,fbilltype,fbillstate)"
            sql = sql + " values( :fbillno , :fsiteNo , :forduser , :fplanrecdate , :forddate , :fsupno , :fitemcount , :fpiececount , :ftotalamt , :fexplanation , :fupddate , :forduser ,1, :fbillstate )"
            db.execute(text(sql), {
                "fbillno": fbillno,
                "fsiteNo": rec.fsiteNo,
                "forduser": rec.forduser,
                "fplanrecdate": rec.fplanrecdate,
                "forddate": rec.forddate,
                "fsupno": rec.fsupno,
                "fitemcount": fitemcount,
                "fpiececount": fpiececount,
                "ftotalamt": ftotalamt,
                "fexplanation": rec.fexplanation,
                "fupddate": rec.fupddate,
                "fbillstate": rec.fbillstate
            })
            # 返回
            d1['fbillno'] = fbillno
            d1['fsiteno'] = rec.fsiteNo
            d1['forddate'] = rec.forddate
            d1['fplanrecdate'] = rec.fplanrecdate
            d1['frecdate'] = rec.frecdate
            d1['forduser'] = rec.forduser
            d1['fsupno'] = rec.fsupno
            d1['fitemcount'] = fitemcount
            d1['fpiececount'] = fpiececount
            d1['ftotalamt'] = float(ftotalamt)
            d1['ftakedateEnd'] = None
            d1['ftakedateStart'] = None
            d1['fsrcbillno'] = ""
            d1['fexplanation'] = rec.fexplanation
            d1['fupddate'] = rec.fplanrecdate
            d1['foperator'] = rec.forduser
            d1['fcheckdate'] = None
            d1['fcheckuser'] = None
            d1['fbilltype'] = 1
            d1['fbillstate'] = 1
            d1["stcOrdDetails"] = detail_list
            return BaseResponse.success(data=d1)
    except SQLAlchemyError as e:
        # 发生异常时自动回滚
        db.rollback()
        # 记录错误日志
        logging.error(f"数据库错误: {str(e)}")
        # 返回错误响应
        return BaseResponse.error(message="数据库操作失败")
    except Exception as e:
        db.rollback()
        logging.error(f"未知错误: {str(e)}")
        return BaseResponse.error(message="令牌过期")


@rec_head_router.post("/update", summary="修改设备采购入库信息")
def update_rec_head(rec: StcRecHeaderCreate, db: Session = Depends(get_db), token: str = Depends(oauth2_scheme)):
    try:
        user_id = EncryptionMiddleware.get_current_user(token)
        fitemcount = 0
        fpiececount = 0
        ftotalamt = 0
        fbillno = rec.fbillno
        fbillstate = rec.fbillstate
        with db.begin():
            if (fbillstate == 8):
                sql = "update lims.s_tc_rec_head "
                sql = sql + " set fbillstate=8,fcheckdate=now(),fcheckuser= :userid "
                sql = sql + " where fbillno= :fbillno "
                db.execute(text(sql), {
                    "fbillno": fbillno,
                    "userid": user_id
                })
                return BaseResponse.success()
            else:
                sql = "delete from lims.s_tc_rec_detail where fbillno= :fbillno "
                db.execute(text(sql), {
                    "fbillno": fbillno
                })

                jsondata = rec.details
                for data in jsondata:
                    sql = "insert into lims.s_tc_rec_detail(fbillno,fline,feuipmentid,fbuyprice,fqty,ftotamt,fmemo)"
                    sql = sql + " values( :fbillno , :fline , :feuipmentid , :fbuyprice , :fqty , :ftotamt , :fmemo )"
                    db.execute(text(sql), {
                        "fbillno": fbillno,
                        "fline": data.fline,
                        "feuipmentid": data.feuipmentid,
                        "fbuyprice": data.fbuyprice,
                        "fqty": data.ftotamt,
                        "ftotamt": data.ftotamt,
                        "fmemo": data.fmemo
                    })
                    fitemcount = fitemcount + 1
                    fpiececount = fpiececount + data.fqty
                    ftotalamt = ftotalamt + data.ftotamt

                sql = "update lims.s_tc_rec_head "
                sql = sql + " set forddate= :forddate ,forduser= :forduser ,fexplanation= :fexplanation "
                sql = sql + ",frecdate= :frecdate ,fitemcount= :fitemcount ,fpiececount= :fpiececount ,ftotalamt= :ftotalamt "
                sql = sql + ",fupddate=now(),foperator= :userid "
                sql = sql + " where fbillno= :fbillno "
                db.execute(text(sql), {
                    "forddate": rec.forddate,
                    "forduser": rec.forduser,
                    "fexplanation": rec.fexplanation,
                    "frecdate": rec.frecdate,
                    "fitemcount": fitemcount,
                    "fpiececount": fpiececount,
                    "ftotalamt": ftotalamt,
                    "userid": user_id,
                    "fbillno": fbillno
                })
                return BaseResponse.success()
    except SQLAlchemyError as e:
        # 发生异常时自动回滚
        db.rollback()
        # 记录错误日志
        logging.error(f"数据库错误: {str(e)}")
        # 返回错误响应
        return BaseResponse.error(message="数据库操作失败")
    except Exception as e:
        db.rollback()
        logging.error(f"未知错误: {str(e)}")
        return BaseResponse.error(message="令牌过期")
